[Pkg-iscsi-maintainers] Bug#745708: open-iscsi: umountiscsi.sh prematurely exits when encountering targets without block devices
Sammy Atmadja
sammy at transtrend.com
Fri Apr 25 06:18:58 UTC 2014
> Patch looks good. But just a quick question. If the specific target
> session does not have any block device, wouldn't BLOCK_FILE be empty
> and thus not fall under the if condition ?
BLOCK_FILE will not be empty, and *that* is exactly the root of the
problem. When the wildcards in the following line:
for BLOCK_FILE in $SESSION_DIR/target*/*\:*/block/*; do
do not match anything, BLOCK_FILE will be:
$SESSION_DIR/target*/*\:*/block/*
like for ex. in my case :
/sys/devices/platform/host5/session3/target*/*:*/block/*
In the next line we strip all but the last part, so we end up with *,
and a few lines later basically try to umount /dev/* .
It's due to the somewhat unintuitive behaviour of the * wildcard. When
it doesn't match, you get the litteral * .
Sammy
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